[{"data":1,"prerenderedAt":151},["ShallowReactive",2],{"project-28050000":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":33,"aspects":34,"strip":37,"post_text":29,"what":39,"said":75,"maker_in_thread":96,"shape":102,"grid":104,"attempts":113,"same_week":114,"maker_shows":38,"maker_hidden":144,"reader_version":145,"card":146},"28050000","Tovera","Authentication and Verification of Digital Media Assets for Everyone","title","Show HN: Authentication and Verification of Digital Media Assets for Everyone","https:\u002F\u002Fwww.tovera.com","tovera.com","kkielhofner",1628002800,2021,19,4,1419,2533,57,"shown","security_privacy","media authentication","web_app",[24,25,26,27],"digital media verification","deepfake detection","image authentication","blockchain provenance","quiet",null,{"positive":31,"neutral":32,"mixed":32,"critical":31},1,0,2,{"idea":35,"execution":36},{"positive":31,"critical":32},{"positive":32,"critical":31},[38,32,31,32],5,{"problem":40,"audience":47,"pricing":52,"motivation":56,"time_to_build":29,"stack":60,"openness":73,"stage":74,"team_size":73},{"value":41,"source":42,"evidence":43},"Proving digital media assets are authentic and unaltered, instead of guessing with deepfake detection models.","maker",[44],{"id":45,"by":11,"text":46},"28050005","Deepfakes, manipulated media, etc have been a concern of mine for a while. I believe it’s only a matter of time before anyone with a smartphone can generate perfect video, audio,…",{"value":48,"source":49,"evidence":50},"Anyone publishing digital media who wants viewers to verify it.","inferred",[51],{"id":45,"by":11,"text":46},{"value":53,"source":42,"evidence":54},"Free sign-up with up to 100 assets; free forever at least for this tier.",[55],{"id":45,"by":11,"text":46},{"value":57,"source":42,"evidence":58},"Deepfakes and manipulated media are a growing concern, and cryptographic verification gives certainty.",[59],{"id":45,"by":11,"text":46},[61,65,69],{"value":62,"source":42,"evidence":63},"JavaScript client",[64],{"id":45,"by":11,"text":46},{"value":66,"source":42,"evidence":67},"IPFS",[68],{"id":45,"by":11,"text":46},{"value":70,"source":42,"evidence":71},"Polygon blockchain smart contracts",[72],{"id":45,"by":11,"text":46},"unknown","beta",{"praise":76,"objections":85,"requests":93,"questions":94,"alternatives":95},[77],{"value":78,"source":79,"evidence":80},"Forward-thinking product for growing digital vulnerability.","commenter",[81],{"id":82,"by":83,"text":84},"28050471","JonnyTwilight","Thank you for this forward thinking product in an era of ever-increasing digital vulnerability! Mazel tov on the launch!",[86],{"value":87,"source":79,"evidence":88},"Embedded metadata is routinely stripped from uploads, so the approach is fragile.",[89],{"id":90,"by":91,"text":92},"28050402","new_guy","Isn't this a fundamentally broken approach? File metadata is routinely stripped out of uploads as a matter of security\u002Fprivacy.",[],[],[],{"comments":33,"answered":31,"key":97},[98,99],{"id":45,"text":46},{"id":100,"text":101},"28050491","For all of the usual reasons we strip metadata too. Then we add our unique identifier in a custom XMP namespace. But we have a workaround for the issue you describe. Users upload…",{"commenters":103,"max_depth":103,"maker_replies":33,"first_comment_mins":32,"lifespan_hours":31},3,[105,107,109,111],[82,32,38,106,83,32],"maker\u002Fpositive\u002Fidea",[45,31,32,108,11,31],"project\u002Fneutral\u002Fidea",[90,31,31,110,91,32],"project\u002Fcritical\u002Fexecution",[100,31,32,112,11,31],"project\u002Fneutral\u002Fexecution",[],[115,120,125,130,135,140],{"id":116,"name":117,"points":118,"category":119},"28012829","Static.wiki",796,"learning_science",{"id":121,"name":122,"points":123,"category":124},"28017051","redbean",223,"infrastructure",{"id":126,"name":127,"points":128,"category":129},"28059291","Till",209,"dev_tools",{"id":131,"name":132,"points":133,"category":134},"27996348","Clockwise",162,"productivity",{"id":136,"name":137,"points":138,"category":139},"28048528","ocean",159,"languages",{"id":141,"name":142,"points":143,"category":124},"28063597","Hookdeck",126,false,"v2",{"id":147,"name":5,"line":6,"ai":144,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":29,"top":18,"kw":148,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":149,"url":9,"mix":150,"praise":78,"objection":87,"sub":21},28050000,[24,25,26,27],"5010",[31,32,32,31],1793991031355]